Sumitomo Electric Industries, Limited

Sumitomo Wiring Systems, Limited

Autonetworks Technologies, Limited

Seishi Kimura

Osamu Nakayama

Katsushi Miyazaki

Naoki Fukushima

Tetsuya Fujita

Koichiro Mochizuki

Mitsutoshi Morita

Ryouya Okamoto

A connection module attachable to a power storage element group formed by lining up a plurality of power storage elements is provided with a bus bar (connection member) that extends in a vertical direction and is connected to electrode terminals, an insulating protector having a holding portion that holds the bus bar, and a cover that covers the bus bar. The cover is provided with an intake port and an exhaust port positioned above the intake port, and a ventilation passage through which air can flow in the vertical direction is formed between the cover and the holding portion, the ventilation passage being in communication with the intake port and the exhaust port, and the bus bar is arranged inside the ventilation passage.

Connection module

A connection module includes a busbar holding module, and an external connection busbar holding portion that is disposed on the busbar holding module. The busbar holding module includes an insulating protector configured to hold a plurality of busbars. The external connection busbar holding portion includes a first external connection busbar having an elongated shape, a second external connection busbar to which an external connection component is to be bolted, and an external connection busbar protector. The insulating protector includes a first engaging portion configured to be engaged with the external connection busbar protector, and the external connection busbar protector includes a first engaged portion configured to be engaged with the first engaging portion.

A wiring module having a second protector is provided with a rear-side first latching portion and a front-side first latching portion that are elastically deformable. A cover is provided with a rear-side restraining portion and a front-side restraining portion. The rear-side restraining portion is disposed within a deflection space for the rear-side first latching portion, and restrains elastic deformation of the rear-side first latching portion. The front-side restraining portion is disposed within a deflection space for the front-side first latching portion, and restrains elastic deformation of the front-side first latching portion.

Wiring module for attachment to a power storage module

A bus bar includes a metal plate material. A plate face of the metal plate material includes a recessed portion. An inner wall of the recessed portion includes a first light-receiving face that is inclined relative to the plate face so as to receive a laser light beam Lextending in a direction perpendicular to the plate face, and a second light-receiving face for receiving the laser light beam Lthat has reflected off the first light-receiving face.

Bus bar and power storage module

A power storage module includes: multiple power storage elements that each include a pair of electrode terminals and an electrode arrangement surface; and a battery connection module that is mounted on the multiple power storage elements. The battery connection module includes an insulating protector that is provided in correspondence with a predetermined number of power storage elements. The insulating protector includes: a first position portion that engages with a first positioned portion provided between the pair of electrode terminals on the electrode arrangement surface of one power storage element; and a second positioning portion that engages with the second positioned portion provided in the periphery of at least one of the pair of electrode portions on the electrode arrangement surface of the one electrode terminal or on the electrode arrangement surface of the one other electrode terminal.

Wiring module

A wiring module comprising: a detection wire that has a core wire and an insulating coating covering the core wire and that detects a state of a power storage element, a bus bar, and a wire connection portion formed on the end portion of the bus bar and to which the end portion of the detection wire is connected. The wire connection portion includes a core wire connection portion to which the core wire of the detection wire is connected. The core wire connection portion includes a first core wire connection portion for drawing out the detection wire in one direction and a second core wire connection portion for drawing out the detection wire in another direction that is different from the one direction.

An external connection bus bar holding module includes: a first external connection bus bar, a second external connection bus bar, a first protector portion that holds a first electrode connection portion of the first external connection bus bar, a second protector portion that is arranged at an interval from the first protector portion and holds the first external connection portion of the first external connection bus bar, and an intermediate protector portion. The intermediate protector portion is located between the first protector portion and the second protector portion and holds an intermediate portion of the first external connection bus bar between the first protector portion and the second protector portion.

External connection bus bar holding module and battery connection module

A connection apparatus for connecting a battery module and an electronic device is for connecting a battery module in which a plurality of electric cells are arranged in a line and are connected to each other, and an electronic device arranged on a side of the battery module. The connection apparatus includes: a connection bus bar in which a welding plate to be connected to a connection electrode in the battery module is provided at one end, and the other end portion to be connected to a connecting portion of the electronic device is provided at the other end; and an insulating cover that is made of a synthetic resin and is attached to a lower face of the connection bus bar.

Connection apparatus for connecting battery module and electronic device, and method for manufacturing insulating cover

A power storage module has a plurality of power storage elements whose electrode terminals, which include a positive electrode and a negative electrode, are arranged on an electrode arrangement surface, and a connection module that is mounted to the electrode arrangement surface of the plurality of power storage elements. The connection module has an insulating protector holding a bus bar, which connects adjacent electrode terminals of the plurality of power storage elements. The insulating protector has a front wall and a rear wall that intersect a virtual plane that is parallel to the electrode arrangement surface. The front wall and the rear wall are respectively provided with protruding portions, and the protruding portions that are respectively provided on the front wall and the rear wall engage with a plurality of extending portions that are provided on the electrode arrangement surface of the plurality of power storage elements.

Power storage module and connection module

A wiring module to be attached to an electricity storage element group in which a plurality of electricity storage elements having electrodes are lined up includes a plurality of busbars to be connected to the electrodes and a plurality of accommodating portions in which the busbars are respectively accommodated. Each of the accommodating portions has an accommodating wall that is disposed around the busbar, and the accommodating wall includes a first adjoining wall and a second adjoining wall opposing the first adjoining wall. The first adjoining wall of one accommodating portion and the second adjoining wall of another accommodating portion are arranged adjoining each other. The first adjoining wall has a first locking portion that locks the busbar and an auxiliary wall that protrudes toward the second adjoining wall and covers the first locking portion from the second adjoining wall side. The second adjoining wall has an opening in which the auxiliary wall is accommodated.

A connection structure between a battery module and an electrical device, the connection structure for connecting a battery module in which a plurality of electric cells are arranged in a line to an electrical device arranged on a side of the battery module. The connection structure includes: a connecting portion provided in the electrical device; a connection electrode provided in the battery module; and a connection bus bar having one end and another end, the one end being connected to the connecting portion of the electrical device, and a welding plate to be welded to the connection electrode in the battery module being provided at the other end. The welding plate is provided with a deformation-allowing portion for keeping the welding plate and the connection electrode of the battery module in a state of contact, the deformation-allowing portion being able to elastically deform.

Connection structure between battery module and electrical device

A wiring module comprising: a bus bar that connects adjacent electrode terminals of a plurality of single batteries each having positive and negative electrode terminals; and a detection terminal that is overlaid on the bus bar and is for detecting a state of a single battery among the plurality of single batteries. The detection terminal is provided with a welded portion welded onto the bus bar, a locked portion that locks to a locking portion provided on the bus bar and holds the detection terminal in a state in which the welded portion is overlaid on the bus bar, and a reinforcing portion that prevents the welded portion from performing a bending deformation so as to keep the welded portion in a flat plate shape overlaid on the bus bar.

Wiring module, detection terminal, and method for manufacturing detection terminal

An external connection bus bar holding structure includes: a first protector that holds one end portion of an external connection bus bar; a second protector that is arranged at an interval from the first protector and holds the other end portion of the external connection bus bar; and an intermediate protector including a first held portion that is held in the first protector and a second held portion that is held in the second protector. The intermediate protector holds the external connection bus bar at the first held portion and the second held portion and between the first protector and the second protector.

External connection bus bar holding structure

A connection module includes a busbar holding module including insulating protectors and an external connection busbar holder disposed above the busbar holding module. The insulating protectors include fixing portions joined to fixed portions provided in the power storage elements or another member to secure the external connection busbar holder. The external connection busbar holder includes a first external connection busbar and a second external connection busbar to which external connection members are bolted and engaging portions that engage with the fixing portions. Each of the fixing portions includes a fixing-reinforcement portion that is displaced to fill the clearance between the fixing portion and the fixed portion in response to engagement with the engaging portion.

The present invention provides a connection module that allows miniaturization of a coupling structure for insulating protectors. A connection module includes a plurality of bus bars and a plurality of insulating protectors that insulate and hold the plurality of bus bars. Each of the insulating protectors includes at least one of a lock portion that includes a lock protrusion and that is provided for coupling with an adjacent insulating protector and a guide portion that guides the lock protrusion of the lock portion provided in the adjacent insulating protector such that the lock protrusion is engaged with the guide portion. The lock portion includes a guide receiving portion into which the guide portion is to be inserted, and the guide portion includes a lock engagement portion with which the lock protrusion is to be engaged.

Growing community of inventors

Mie, Japan

Seishi Kimura